Net Deals Web Search

Search results

1. Results From The WOW.Com Content Network

2. Nickel–metal hydride battery - Wikipedia

   en.wikipedia.org/wiki/Nickel–metal_hydride_battery

   Lithium-ion batteries can deliver extremely high power and have a higher specific energy than nickel–metal hydride batteries, [40] but they were originally significantly more expensive. [41] The cost of lithium batteries fell drastically during the 2010s and many small consumer devices now have non-consumer-replaceable lithium batteries as a ...

3. Flywheel energy storage - Wikipedia

   en.wikipedia.org/wiki/Flywheel_energy_storage

   NASA G2 flywheel. Flywheel energy storage (FES) works by accelerating a rotor to a very high speed and maintaining the energy in the system as rotational energy.When energy is extracted from the system, the flywheel's rotational speed is reduced as a consequence of the principle of conservation of energy; adding energy to the system correspondingly results in an increase in the speed of the ...

4. Electric vehicle battery - Wikipedia

   en.wikipedia.org/wiki/Electric_vehicle_battery

   An electric vehicle battery is a rechargeable battery used to power the electric motors of a battery electric vehicle (BEV) or hybrid electric vehicle (HEV). They are typically lithium-ion batteries that are designed for high power-to-weight ratio and energy density. Compared to liquid fuels, most current battery technologies have much lower ...

5. Nickel–hydrogen battery - Wikipedia

   en.wikipedia.org/wiki/Nickel–hydrogen_battery

   A nickel–hydrogen battery (NiH 2 or Ni–H 2) is a rechargeable electrochemical power source based on nickel and hydrogen. [ 5] It differs from a nickel–metal hydride (NiMH) battery by the use of hydrogen in gaseous form, stored in a pressurized cell at up to 1200 psi (82.7 bar) pressure. [ 6] The nickel–hydrogen battery was patented in ...

6. Electric battery - Wikipedia

   en.wikipedia.org/wiki/Electric_battery

   An electric battery is a source of electric power consisting of one or more electrochemical cells with external connections [ 1] for powering electrical devices. When a battery is supplying power, its positive terminal is the cathode and its negative terminal is the anode. [ 2] The terminal marked negative is the source of electrons that will ...

7. Uninterruptible power supply - Wikipedia

   en.wikipedia.org/wiki/Uninterruptible_power_supply

   A tower type UPS with one IEC 60320 C14 input and three C13 outlets. A large data-center-scale UPS being installed by electricians. An uninterruptible power supply ( UPS) or uninterruptible power source is a type of continual power system that provides automated backup electric power to a load when the input power source or mains power fails.

8. Betavoltaic device - Wikipedia

   en.wikipedia.org/wiki/Betavoltaic_device

   Betavoltaic device. A betavoltaic device ( betavoltaic cell or betavoltaic battery) is a type of nuclear battery which generates electric current from beta particles ( electrons) emitted from a radioactive source, using semiconductor junctions. A common source used is the hydrogen isotope tritium. Unlike most nuclear power sources which use ...

9. Lithium–sulfur battery - Wikipedia

   en.wikipedia.org/wiki/Lithium–sulfur_battery

   The lithium–sulfur battery (Li–S battery) is a type of rechargeable battery. It is notable for its high specific energy. [ 2] The low atomic weight of lithium and moderate atomic weight of sulfur means that Li–S batteries are relatively light (about the density of water). They were used on the longest and highest-altitude unmanned solar ...